Testing Service

Approx. Rs 5,000 / PieceGet Latest Price

We can do programming, testing and commissioning of all make of relays with all applications. Our team is capable of doing testing of relays with very advance test kits like Omicron, Doble, Megger etc. We also carry out regular maintenance and calibration jobs of Numerical as well as Electromechanical Relays.

Substation Erection, Testing and Commissioning Services

Our team of experts can give you all kinds of ETC services for your substation. We can work all across the voltage levels LV,MV,HV and EHV. We carry out ETC for AIS as well GIS substations. We have our own advanced testing equipment to carry out necessary testing at substation and to get the work done quickly without depending on anybody. We also support for integration of relays into existing SCADA or New SCADA.

We provide a comprehensive range of services for testing of:

• Line Distance Relay
• Line Differential Relay
• Transformer Differential Relay
• Motor/Generator Protection Relay
• Directional Relay
• REF Relay
• Transformer/Motor/Generator Relay
• Bus bar Protection Relay
• Feeder Protection Relay

The contribution of SCADA systems and relay testing to reliability, efficiency, and safety in power systems cannot possibly be overstated in this digital age. These have created the basis for current smart and resilient electrical networks-from industrial automation applications right through to power grid protection.

SCADA: The Brain Behind Substation Automation

SCADA brings together the whole technique of real-time monitoring and control of industrial processes. It collects data through the connected software and hardware, analyses the system performance, and permits remote operation.

Benefits of SCADA:

·       Real-time Monitoring: It will track and control electric grids, water treatment plants, oil refineries, and so on, at the same time.

·       More Efficiency: Reduce the down times, leading to more predictive- analytical efficiency in operations.

·       Remote Accessibility: This makes it possible to control and manage systems from any geographic location on the map for engineers.

·       Fault Detection and Prevention: Potholes are detected and prevented from getting worse before they become system failures.

SCADA for Power Systems

Using SCADA in an industrial electrical grid allows to higher monitoring voltages, fault detection, and substation management. It provides utilities a benefit in being able to quickly respond on occasions of power disturbances.

Cable Hi-Pot Testing (High Potential Testing) is a critical procedure used to verify the insulation integrity of electrical cables, especially after installation, repair, or during scheduled maintenance. This test ensures that the cable can operate safely at its rated voltage without breakdown or leakage, helping to prevent unexpected failures and downtime.

• Detect insulation defects, cracks, or moisture ingress

• Verify workmanship quality post-installation

• Ensure long-term operational safety and reliability

• Comply with regulatory and utility standards

1. DC Hi-Pot Testing

   • Traditionally used but now less preferred for modern XLPE cables

   • Provides high voltage to check leakage or breakdown

   • Mainly for older cable types or short-term field use

2. AC Hi-Pot Testing

   • Safer and more accurate for modern cable systems

   • Better simulates real operating conditions

   • Can be performed using Very Low Frequency (VLF) for field applications

• Pre-test inspection and cable preparation

• Selection of appropriate test voltage and duration based on standards (e.g., IEEE 400, IEC 60229)

• DC or VLF AC Hi-Pot test execution with certified equipment

• Monitoring and recording of leakage currents or insulation breakdowns

• Immediate test results with detailed reporting

• Recommendations for repair or replacement if needed

• Low, medium, and high voltage power cables

• XLPE, EPR, PILC, and PVC insulated cables

• Underground, overhead, or substation-connected cables

• New cable installations or retrofitted systems

• IEEE 400, IEEE 400.2

• IEC 60502, IEC 60229

• IS 1255

• Utility-specific guidelines and safety protocols

• Advanced, calibrated testing equipment (VLF, AC, DC)

• Certified and experienced technicians

• Fast mobilization and execution

• Detailed test reports with actionable insights

• Compliance with national/international testing standards

• Strict adherence to electrical safety and environmental norms

Hi-Pot testing is an essential quality assurance step in ensuring the safe operation of your power distribution system. Our Cable Hi-Pot Testing Service helps identify potential failures before they occur, providing peace of mind and enhancing the reliability of your electrical infrastructure.

• Insulating Oil Test

  • Evaluation of the transformer oil’s dielectric strength, moisture content, and contamination levels to ensure effective insulation and cooling.

• DC Winding Resistance Measurement

  • Accurate measurement of the DC resistance of windings, including bushings, to identify potential faults like loose connections or internal short circuits.

• Voltage Ratio Testing

  • Verification of the voltage ratio across all tap positions to confirm correct transformation under different operating conditions.

• Three-Phase Vector Group Check

  • Assessment of the wiring group configuration to ensure correct phase relationships in three-phase transformers.

• Polarity Check for Single-Phase Transformers

  • Testing the lead polarity of single-phase transformers to prevent connection errors and ensure correct directional flow of current.

(Extra High Voltage Testing Services for Reliable Grid Performance)

Overview
Extra High Voltage (EHV) systems are critical components of modern power transmission networks, typically operating at voltages above 132kV and up to 765kV. Reliable operation of EHV equipment such as transformers, circuit breakers, CTs/PTs, and GIS systems depends heavily on accurate and comprehensive testing. Our EHV Equipment Testing Service ensures that your high-voltage infrastructure complies with safety regulations, performs efficiently, and avoids unexpected failures.

1. Transformer Testing (Up to 765kV Class)

   • Insulation Resistance (IR)

   • Polarization Index (PI)

   • Transformer Turns Ratio (TTR)

   • Winding Resistance

   • Tan Delta & Capacitance (for bushings and windings)

   • SFRA (Sweep Frequency Response Analysis)

   • Oil BDV and DGA testing

2. Circuit Breaker Testing (SF6, Vacuum, Oil)

   • Contact Resistance Measurement (CRM)

   • Breaker Timing Test

   • Trip/Close Coil Resistance

   • Dynamic Contact Analysis

   • Insulation Testing

3. Current & Voltage Transformer (CT/PT) Testing

   • Ratio and Polarity Test

   • Excitation Curve & Knee Point Voltage

   • Secondary Burden Measurement

   • Tan Delta and Insulation Test

4. GIS & Switchgear Testing

   • Partial Discharge (PD) Testing

   • High Voltage Withstand (Hi-Pot)

   • Interlock and Functional Testing

   • SF6 Gas Quality & Leakage Check

5. Cable Testing (EHV XLPE & Oil-Filled)

   • VLF (Very Low Frequency) Test

   • Tan Delta & Partial Discharge

   • Hi-Pot (AC/DC) Testing

   • Sheath Integrity & Continuity

• Use of advanced, calibrated instruments from brands like Omicron, ISA, and Megger

• Highly qualified engineers experienced in EHV testing across utilities and industries

• Compliance with IEC, IEEE, IS, and CEA testing norms

• Pre-commissioning, post-fault diagnostics, and routine preventive testing

• Detailed test reports with observations and recommendations

• Emergency breakdown testing support

• Power Transmission & Distribution Utilities

• Renewable Energy Plants (Solar, Wind, Hydro)

• Large Industrial Units (Steel, Cement, Oil & Gas)

• EPC Contractors & Substation Builders

• Railways, Metro Projects, Data Centers

Our EHV Equipment Testing Services ensure that your critical infrastructure meets operational, safety, and reliability standards. Whether it’s for pre-commissioning, preventive maintenance, or fault investigation, our expert team and state-of-the-art tools are equipped to deliver high-precision results with complete technical support.

EHV (Extra High Voltage) Substation Testing involves comprehensive inspection and validation of substation equipment to ensure reliable performance, safety, and regulatory compliance. The service includes testing of major components such as transformers, circuit breakers, isolators, CTs, PTs, protection relays, and control panels.
Key activities typically cover:

• Insulation Resistance & Polarization Index (IR/PI) Testing

• Transformer Ratio & Winding Resistance Testing

• Circuit Breaker Timing and Contact Resistance Testing

• CT/PT Accuracy and Polarity Verification

• Relay Configuration and Functional Testing

• HV Cable Testing (VLF/PD/Tan Delta)

• Earthing System Testing

These tests are crucial during commissioning, routine maintenance, or fault investigation to ensure the substation operates efficiently under high-voltage conditions.

Approx. Rs 10,000 / SampleGet Latest Price

• Comprehensive Testing Coverage – Includes panels, switchgear, control systems, distribution boards, and wiring.

• Advanced Diagnostic Tools – Utilizes modern instruments for accurate fault detection and system analysis.

• Compliance with Standards – Testing performed as per national and international electrical safety standards.

• Preventive Maintenance Support – Helps in identifying early signs of equipment failure to avoid costly breakdowns.

• Detailed Reporting – Provides clear, technical test reports with observations, analysis, and recommendations.

• Experienced Technicians – Skilled professionals with hands-on expertise in low voltage testing procedures.

• Minimized Downtime – Quick and efficient service execution to reduce system downtime and maintain continuity.

• Customizable Solutions – Tailored testing services based on client requirements, industry type, and equipment configuration.

• Features: